The Denham Springs City Hall, also known as the Old Denham Springs City Hall, is a historic building located at 115 Mattie Street in Denham Springs, Louisiana. The building is a two-story concrete structure in Art Deco style. The original building housed the mayor and sheriff's offices, library, and the jail.

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It was built in the late 1930's by the WPA and  was vacated in the 1980s when the city hall moved to a new location.

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A complete restoration was completed in late 2008 and rededication ceremonies were held on April 17. The building now serves as a museum and tourism office, Maps and information are distributed to people visiting the Antique Village.

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The building was listed in the National Register of Historic Places listings in Louisiana on April 16, 1993